Enrhifo
75
Ffactor
3\times 5^{2}
Cwis
Arithmetic
5 problemau tebyg i:
75 \cdot [ 2 \cdot ( 1 - 0.3 - 0.5 ) + 3 \cdot ( 0.6 - 0.5 + 0.10 ) ]
Rhannu
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75\left(2\left(0.7-0.5\right)+3\left(0.6-0.5+0.1\right)\right)
Tynnu 0.3 o 1 i gael 0.7.
75\left(2\times 0.2+3\left(0.6-0.5+0.1\right)\right)
Tynnu 0.5 o 0.7 i gael 0.2.
75\left(0.4+3\left(0.6-0.5+0.1\right)\right)
Lluosi 2 a 0.2 i gael 0.4.
75\left(0.4+3\left(0.1+0.1\right)\right)
Tynnu 0.5 o 0.6 i gael 0.1.
75\left(0.4+3\times 0.2\right)
Adio 0.1 a 0.1 i gael 0.2.
75\left(0.4+0.6\right)
Lluosi 3 a 0.2 i gael 0.6.
75\times 1
Adio 0.4 a 0.6 i gael 1.
75
Lluosi 75 a 1 i gael 75.
Enghreifftiau
Hafaliad cwadratig
{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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y = 3x + 4
Rhifyddeg
699 * 533
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\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Hafaliad ar y pryd
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Gwahaniaethu
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integreiddiad
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Terfynau
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}